Composite plug for bottles



July 30, 1929. E. GIAMP IE' TRO 7 1,722,285

COMPOSITE PLUG FOR BOTTLES Filed Nov. 10, 1927 I NVENTOR;

a s Y E. N E R .m m 6 T i m m Patented July 30, 1929.

warren stares I mazes EMILIO GIAMPIETRO, OF LA FORMA, ITALY.

COMPOSITE PLUG FOR BOTTLES.

Application filed November 10, 1927, Serial No. 232,316, and in ItalyNovember 17, 1926.

The present invention relates to a composite plug for bottles with theobject to prevent that a bottle should be filled again withsophisticated or adulterated liquid and put on sale again thussurprising the good faith of purchasers.

The invention consists in providing the neck of a bottle with a plugcomposed of three parts, all three coaxial, of which the externaltubular shaped part is fixed within the bottle and cannot be extracted,while the two internal parts constituting a decomposable plug and unitedin any whatever way are separated from one another, when the bottle isopened, the lower part falling down on the bottom of the bottle withoutany possibility of being united again to the upper one, or extracted,consequently revealing that the bottle has once been already opened, theupper part being extracted as a usual plug.

The invention is schematically illustrated only by way of example in thedrawing herewith annexed in which:

Fig. 1shows a longitudinal section of a bottles neck, provided with aplug according to invention.

Fig. 2shows a section on line aa of Fig. 1.

lVith reference to the figures: 1- is the bottles neck provided with acircular groove 2 at a certain height; 3 is the tubular part provided onits periphery with a groove 4 corresponding to groove 2, but with theconcavity in opposite sense; 5 is an elastic resistant metal ring; -6 isthe cavity of the tubular part in which is tightly introduced a plug orstopper 7 8 is a body of any convenient form fixed to the lower end 9 ofthe stopper member 7 in any practical or convenient way, by means ofsoldering attrition, elastically and so on; -10- is a packing of rubberor other material which may secure the tight closing of the bottle.

The assembly and operation of the device are as follows:

After insertion of the stopper 7 into the opening 6 of the tubularmember, the member 8 is attached to the lower end 9 of said stopper andthe packing ring 10 placed on the periphery of the tubular member. Thecomplete plug thus assembled is then introduced into the neck of thebottle, the split resilient ring 5 being meanwhile compressed into thegroove 4 in said tubular member until it arrives in alinement withgroove 2 in the bottle neck, whereupon the ring will expand into saidlatter groove and thereby permanently lock the tubular member againstremoval from the bottle neck. The bottle is thushermetically sealed andmay be put in commerce filled with the liquid or substance whose saleiswanted to be protected.

Should the bottle be opened it is sufficient to extract the upper partof the decomposable plug -7, the body 8 being then separated from plug 7and falling on the bottom of the bottle, while the liquid may flowthrough hole 6 of the tubular part 3.

It is clear that if the bottle should be filled again with liquid itwould be impossible to restore the plug to its original conditions sothat any imitation or sophistication is prevented.

The practical form of the invention speci lied and illustrated by way ofexample may of course be varied a great deal without trespassing thescope of the patent. Particularly shapes, dimensions and materialscomposing the difierent parts may be varied very much; the tubular part3 and the part 7 may be for instance of ground glass, the packing 10 andring 5 may be of other substances different from those above specified.

Having now particularly described and ascertained the nature of my saidinvention and in what manner the same is to be performed I declare thatwhat I claim is:

1. The combination with abottle, of a tubular member of rigid materialseated in the neck of said bottle, means for preventing removal of saidtubular member from the bottle without breakage, a stopper seated insaid tubular member, and means carried at the inner end of said stopperand adapted to engage the inner end of said tubular member and resistremoval of the stopper, the organization being such that upon completeremoval of said stopper the resisting means will 7 remain in the bottle.

2. The. combination with a bottle having an internal annular groove inthe Wall of its neck, of a tubular member seated in said neck and havingin its exterior periphery an annular groove registering With the neckgroove, 5 a resilient metallic ring disposed in said grooves forpermanently retaining said tubular member in said neck, a stopper seatedWithin said tubular member, and a stop member carried by said stopperbelow said tubular member and adapted to resist complete removal of thestopper.

In testimony whereof I have hereunto signed my name.

EMILIO GIAMPIETRO.

